Dr.P. J. Giles (Ph.D., Canada) Dr.D. P. Bell (Ph.D., United States) Dr.J. R. Evans (Ph.D., Belgium) Dr.M. R. Silverman (Ph.D., United States) Dr.R. S. Chambers (Ph.D., France) Dr.A. K. Purvis, (Ph.D., Canada) Dr.T. F. Rösch, (Ph.D., Germany)